EP1919406B1 - Dispositif d'augmentation osseuse - Google Patents

Dispositif d'augmentation osseuse Download PDF

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Publication number
EP1919406B1
EP1919406B1 EP06801798.7A EP06801798A EP1919406B1 EP 1919406 B1 EP1919406 B1 EP 1919406B1 EP 06801798 A EP06801798 A EP 06801798A EP 1919406 B1 EP1919406 B1 EP 1919406B1
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Prior art keywords
tip
threads
connector
trocar
passage
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German (de)
English (en)
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EP1919406A2 (fr
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Kieran P. Murphy
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8822—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by means facilitating expulsion of fluid from the introducer, e.g. a screw pump plunger, hydraulic force transmissions, application of vibrations or a vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4677—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor using a guide wire

Definitions

  • the present invention relates generally to bone augmentation and in particular an apparatus for performing bone augmentation.
  • Vertebroplasty is a well-known procedure for augmenting a vertebrae that has collapsed due to osteoporosis or other indication. See, for example, US Patent 6,273,916 to Murphy (“Murphy #1”) and issued August 14, 2001. In general terms, vertebroplasty involves transpedicular or posterolateral injection of a bone cement into the vertebral body.
  • bone cements can be used.
  • One common bone cement is polymethylmethacrylate, but other types will occur to those of skill in the art.
  • a common feature of many bone cements is that they have a viscosity such that substantial pressure can be required to effect expression of the bone cement from the syringe, through any connective tubing and the needle and into the vertebral cavity.
  • considerable care is required to reduce the likelihood of overfilling the vertebral body, as such overfilling can rupture the spinal cord and paralyze the patient.
  • Prior art syringes, connecting tubes and needles can in some circumstances impede controlled and careful injection of bone cement into the vertebral body due to irregularities found along the channel between the syringe body and the needle tip. Such irregularities can be found, in particular examples of prior art, at luer-lock junctions for removable connections between the syringe, the connecting tube and the needle. Further viscosities of non-polymethylmethacrylate cements are generally greater than the viscosity of polymethylmethacrylate 's, and such viscosities can present problems at luer-lock junctions.
  • US 6 348 055 discloses a bone cement apparatus comprising a delivery reservoir for holding a bone cement, a needle for injecting said bone cement into a bone, and a passageway interconnecting said reservoir and said needle, said passageway having substantially uniform dimensions.
  • the invention is the apparatus of claim 1, which obviates or mitigates at least one of the disadvantages of the prior art.
  • the reservoir can be a syringe.
  • the bone cement can be polymethylmethacrylate.
  • Apparatus 20 comprises a syringe 24, a connector 28 and a connecting tube 32.
  • Apparatus 20 is used to deliver bone cement as part of a bone augmentation procedure, and in a present embodiment the procedure is vertebroplasty.
  • Syringe 24 comprises a barrel 36 defining a chamber 40 through which a plunger 44 can pass in order to express a bone cement (not shown) from a distal tip 4S of syringe 24.
  • Connector 28 provides a fitting which can be used to releasably couple syringe 24 to tube 32, such that a channel between tip 48 and tube 32 is substantially uniform with a channel defined by tube 32. Connector 28 will be discussed in greater detail below.
  • Tube 32 is made any suitable flexible material and has a length of from about 10 or about 15 centimeters ("cm") to about 20 or about 30 cm; Tube 32 includes a proximal tip 52 that is releasably attachable to connector 28, and a distal tip 56 that is releasably attachable to a vertebroplasty needle (not shown). Tips 52 and 56 are joined by a body 60 that defines a passage for communicating bone cement from syringe 24 and into a vertebroplasty needle.
  • Syringe 24, connector 28 and tube 32 are made from known materials and have a general size and configuration that is suitable for deployment in a vertebroplasty procedure, subject to various specific features discussed herein.
  • One example of a generally known off-the-shelf configuration is the Cook Duro-ject Bone Cement Injector, available from COOK GROUP INCORPORATE, P.O. Box 489, Bloomington, IN 47402-0489, USA.
  • FIG. 2 a partial-sectional view of apparatus 20 shows distal tip 48 of syringe 24, connector 28, and proximal tip 52 of tube 32 in greater detail.
  • tip 48 defines a substantially uniform hollow cylindrical channel 64 having an interior diameter, the interior diameter being represented in Figure 2 by the reference "D1".
  • D1 is chosen according to the type of bone cement being expressed from chamber 40. Where chamber 40 has a volume of about 10 cubic centimetres (“cc"), and where the bone cement is polymethlymethacrylate, then D1 can be from about five millimeters ("mm") to about fifteen mm; or D1 can be from about seven mm to about twelve mm; or D1 can be from about eight mm to about ten mm.
  • cc cubic centimetres
  • mm millimeters
  • D1 can be from about seven mm to about twelve mm
  • D1 can be from about eight mm to about ten mm.
  • other sizes of chamber 40, dimensions of D1 and/or choices for bone cement to be expressed from chamber 40 will now occur to those of skill in the art.
  • Tip 48 also includes a set of exterior threads 68 along the peripheral, external surface of tip 48.
  • Tip 52 of tube 32 also includes a set of exterior threads 72 along the peripheral, external surface of tip 52.
  • Tube 32 provides a passage 76 for carrying bone cement from syringe 24 to the vertebroplasty needle.
  • Passage 76 is substantially cylindrical and has a configuration and dimensions that are substantially the same as channel 64.
  • passage 76 has interior diameter, the interior diameter being represented in Figure 2 by the reference "D2".
  • Diameter D2 is substantially the same as diameter D1.
  • Connector 28 is substantially cylindrical and has an external surface with a substantially uniform surface.
  • Connector 28 is characterized by a first set of interior threads 80 that are complementary to exterior threads 68, such that tip 48 can be securely fastened within connector 28 by threading threads 68 and 80 together.
  • connector 28 is also characterized by a second set of interior threads 84 that are complementary to exterior threads 72, such that tip 52 can be securely fastened within connector 28 by threading threads 72 and 84 together.
  • Connector is also characterized by an interior annular flange 88.
  • Flange 88 thus presents a substantially cylindrical opening and has a configuration and dimensions that are substantially the same as channel 64 and passage 76.
  • passage 76 has interior diameter, the interior diameter being represented in Figure 2 by the reference "D3".
  • Diameter D3 is substantially the same as diameters D 1 and D2.
  • each threads 68 and 80, and threads 72 and 84 are chosen such that, when threads 68 and 80 are engaged, and threads 72 and 84 are engaged, rotation of syringe 24 (or tube 32) in a first direction will tighten all connections between syringe 24, connector 28 and tube 32; while rotation in an opposite direction will loosen the connection between syringe 24, connector 28 and tube 32.
  • tighten means that tips 48 and 52 are urged towards flange 88
  • looseen means that tips 48 and 52 are urged away from flange 88.
  • FIG. 3 shows another bone cement delivery apparatus 20a.
  • Apparatus 20a shares a number of common components with apparatus 20, and like components include like references, but followed by the suffix "a".
  • apparatus 20a does not include a connector like connector 28 from apparatus 20. Rather, the functionality of connector 28 is integral with tip 48a.
  • Tip 48a is provided with a channel 64a having a first diameter, and a set of interior threads 84a which are formed on an interior surface of tip 48a having a second diameter greater than the first diameter. The second diameter corresponds with the outside diameter of tip 52a. Threads 84a are thus complementary to exterior threads 72a of tip 52a.
  • apparatus 20 will be assembled (similar to the assembled depiction of apparatus 20a in Figure 3 ) so that a substantially secure and sealed connection is made between syringe 24 and tube 32. Syringe 24 and tube 32 are thus "tightened” within connector 28, thereby providing a substantially uniform passage from chamber 40 to passage 76.
  • plunger 44 is removed from barrel 36 and chamber 40 is filled with a bone cement. Plunger 44 is then reinserted into barrel 36.
  • FIG. 4-7 Another embodiment of the invention is shown in Figures 4-7 , which shows a needle 120 for use in a bone augmentation procedure. If desired, and while not required, apparatus 120 can be used in conjunction with apparatus 20 or apparatus 20a. Needle 120 includes a stylet 124 and a trocar 128 for receiving stylet 124. When assembled, stylet 124 and trocar 128 provide a solid instrument for piercing a vertebral body, as is described in Murphy #2.
  • Stylet 124 is characterized by a shaft 132 with a piercing tip 136 and a grip 140 located on the end of shaft 132 opposite tip 136.
  • Trocar 128 is characterized by a duct 144 and an open tip 148 and a handle 152 located on the end of duct 140 opposite tip 148.
  • the overall configuration, size, length, and other features (such as length of shaft 132 and duct 140 or shape of the complementary tips 136 or 148) of stylet 124 and trocar 128 is not particularly limited and can be chosen according to the desired vertebroplasty or other bone augmentation procedure.
  • Tip 136 is receivable into an opening 156 located on handle 152. Opening 156 is located on a cut-away section 160 of handle 152. Cut-away section 160 is adjacent to a knob 164 that can be grasped. Cut-away section 160 is complementary in shape to grip 140. As best seen in Figure 5 , when stylet 124 is assembled to trocar 128, grip 140 and handle 152 present a substantially solid, and contiguous mass that presents a striking surface for a hammer. As known to those skilled in the art, such a hammer is used to drive tips 136 and 148 into the vertebrae (or other bone location for which an augmentation procedure can be desired.)
  • Needle 120 also includes a lock for affixing grip 140 within cut-away section 160.
  • the lock can take a variety of desired configurations, but in a present embodiment the lock includes a tab 168 located on grip 140 and a complementary groove 172 on handle 152.
  • grip 140 can be rotated so as to engage tab 168 within groove 172 in a locked position.
  • tips 136 and 148 are aligned to present a contiguous piercing surface.
  • stylet 124 can be removed from trocar 128.
  • Needle 120 also includes a holder 176 that is removably attachable to handle 152.
  • handle 152 include a spherical socket 180 for receiving a ball 184.
  • Ball 184 is substantially spherical and slightly smaller than socket 180.
  • Ball 184 includes a protrusion 188 that itself includes a pair of arms 192.
  • arms 192 fit into a complementary pair of grooves 196 located on holder 176, so that that holder 176 can be removably attached to handle 152.
  • Handle 152 also includes a tensioning mechanism 200.
  • tensioning mechanism includes a set screw 204 that is rotatable so as to urge a pin 208 into, or out of, engagement with ball 184.
  • ball 184 will either freely rotate within socket 180, or be held in a substantially fixed location within ball 184.
  • Adjusting screw 204 varies the amount of force applied to ball 184, thereby affecting the amount of force that is applied to holder 176 to move holder 176 in relation to handle 152.
  • needle 120 is shown connected to apparatus 20a.
  • tube 32a is shown connected to opening 156.
  • a fitting to connect tube 32a opening 156 is indicated at 212.
  • Fitting 212 is configured in substantially the same manner as the fitting between tip 52a and 48a shown in Figure 3 .
  • fitting 212 is thus structured to provide a secure fit between tube 32a and needle 120, while also providing a substantially uniform pathway for bone cement to travel.
  • handle 152 includes a passage 216 in communication with passage 76a.
  • Passage 216 is substantially the same configuration and dimension as passage 76a.
  • Duct 144 also includes a passage 220 in communication with passage 216. Passage 220 is substantially the same configuration and dimension as passage 216.
  • bone cement when passed through passage 76a, it is carried through an overall path of substantially the same dimensions and configuration when it travels through passages 216 and 220, and eventually into the vertebral body. It will now be appreciated that when apparatus 20a and needle 120 are used together, the bone cement is carried through a substantially uniform path from tip 48a to tip 148.
  • needle holder 120 can also be provided with (though need not be) a vibrator 224.
  • vibrator 224 includes an imbalanced micromotor 226, such as that commonly employed on a cellular telephone or wireless paging device.
  • Micromotor 226 is housed within handle 152 and is sized in order to provide a vibrating force to duct 144 and thereby facilitate the flow of bone cement through passage 216 and 220, and thereby ease the injective force needed at plunger 44a.
  • Micromotor 226 is powered by a battery 228 or other power supply housed within handle 152, and selectively turned on or off via a power switch 232 operably connected to both micromotor 226 and battery 228.
  • connection, fittings etc are shown for apparatus 20 and apparatus 20a and holder 120, (e.g. sets of complementary threads), a vast array of other fittings that will also achieve the result of a substantially uniform passage from a syringe (or other delivery reservoir) into a vertebral body (or other bone site) are within the scope of the Invention. Indeed, a unitary construction along various points of such a path can be employed in order to provide such a uniform path.
  • bone cements include hydroxyapatite, calcium phosphate, calcium sulphate, calcium hydroxyapatite, or any other cement that may integrate with bone and form new bone. Because of the respective viscosities of these cements are higher than polymethylmethacrylate's, a non-luer lock system is provided. Further, the present invention allows for injection of any cement at lower pressures.

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  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
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Claims (22)

  1. Appareil à ciment osseux, comprenant :
    un réservoir de distribution (24) destiné à contenir un ciment osseux, comportant une pointe distale (48) avec des filetages (68) le long d'une surface de ladite pointe distale ;
    un connecteur (28) et un tube de connexion (32) pour interconnecter ladite pointe distale (48) avec un trocart (128), pour injecter ledit ciment osseux dans un os; ledit connecteur comportant des première et deuxième extrémités avec des filetages respectifs (80, 84), lesdits filetages (80) de ladite première extrémité étant complémentaires desdits filetages (84) de ladite pointe distale (48) ; ledit tube de connexion comportant une première pointe (52) et une deuxième pointe (56), ladite première pointe comportant des filetages (72) complémentaires desdits filetages (84) de ladite deuxième extrémité ;
    dans lequel ledit tube de connexion (32), ladite pointe distale (48), ledit connecteur (28) et ledit trocart (128) présentent des dimensions internes pratiquement uniformes (D2, D1, D3), de sorte à établir un passage dimensionné de manière pratiquement uniforme s'étendant dudit réservoir (24) vers l'extrémité dudit trocart (128) éloignée de la pointe distale (48).
  2. Appareil selon la revendication 1, dans lequel ledit connecteur (28) comporte une bride annulaire interne (88) séparant lesdits filetages respectifs (80, 84) desdites première et deuxième extrémités dudit connecteur (28), ladite bride ayant des dimensions internes pratiquement identiques à celles dudit passage établi par ladite pointe distale (48), ledit connecteur (28) et ledit tube de connexion (32).
  3. Appareil selon la revendication 2, dans lequel lesdits filetages (68, 80, 84, 72) de ladite pointe distale (48) dudit connecteur (28) et de ladite première pointe (52) sont configurés de sorte que ladite pointe distale (48) et ladite première pointe (52) peuvent chacune être serrées pour entrer en contact avec un côté respectif de ladite bride annulaire interne (88) dans ledit connecteur (28).
  4. Appareil selon la revendication 1, dans lequel lesdits filetages (68, 80, 84, 72) de ladite pointe distale (48), dudit connecteur (28) et de ladite première pointe (52) sont configurés de sorte que la rotation dudit réservoir (24) ou dudit tube de connexion (32) dans une première direction entraîne l'application d'une force de serrage à l'ensemble desdits filetages ; la rotation dans une direction opposée entraînant l'application d'une force de relâchement à l'ensemble desdits filetages.
  5. Appareil selon l'une quelconque des revendications 1 à 4, dans lequel ledit réservoir d'administration (24) est une seringue.
  6. Appareil selon l'une quelconque des revendications 1 à 5, dans lequel les filetages (80, 84) dudit connecteur (28) sont des filetages internes, les filetages (68, 72) de ladite pointe distale (48) et de ladite première pointe (52) étant des filetages externes.
  7. Appareil selon l'une quelconque des revendications 1 à 6, dans lequel ledit ciment osseux est du polyméthylméthacrylate « PMMA », de l'hydroxyapatite, du phosphate de calcium, du sulfate de calcium, de l'hydroxyapatite de calcium ou un quelconque autre ciment pouvant s'intégrer à l'os et former un nouvel os.
  8. Appareil selon l'une quelconque des revendications 1 à 6, dans lequel ledit ciment osseux est du PMMA, ledit réservoir de distribution (24) ayant un volume d'environ dix centimètres cubes, ledit passage ayant un diamètre compris entre environ cinq millimètres et environ quinze millimètres.
  9. Appareil selon l'une quelconque des revendications 1 à 6, dans lequel ledit ciment osseux est du PMMA, ledit réservoir de distribution (24) ayant un volume d'environ dix centimètres cubes, et ledit passage ayant un diamètre compris entre environ sept millimètres et environ douze millimètres.
  10. Appareil selon l'une quelconque des revendications 1 à 6, dans lequel ledit ciment osseux est du PMMA, ledit réservoir de distribution (24) ayant un volume d'environ dix centimètres cubes, et ledit passage ayant un diamètre compris entre environ huit millimètres et environ dix millimètres.
  11. Appareil selon l'une quelconque des revendications 2 à 10, dans lequel ledit trocart (128) fait partie d'une aiguille (120), comprenant en outre :
    un stylet (124) ;
    ledit trocart (128) étant configuré de sorte à recevoir ledit stylet (124) lorsque ledit trocart n'est pas connecté audit tube de connexion (32), ledit stylet et ledit trocart pouvant ainsi s'engager pour fournir un instrument solide pour percer l'os.
  12. Appareil selon la revendication 11, dans lequel ledit trocart (128) comprend :
    une pointe ouverte (148) ;
    un conduit (144), définissant une partie (220) dudit passage établi par ladite pointe distale (48), ledit connecteur (28), ledit tube de connexion (32) et ledit trocart ; et
    une poignée (152), agencée sur l'extrémité dudit conduit (144), opposée à ladite pointe ouverte (148) ;
    ladite poignée comportant une ouverture (156), définissant une autre partie (216) dudit passage.
  13. Appareil selon la revendication 12, dans lequel ledit stylet (124) comprend :
    un arbre (132) ;
    une pointe de percement (136) ; et
    un élément de préhension (140), agencé sur l'extrémité dudit arbre, opposée à ladite pointe de percement.
  14. Appareil selon la revendication 13, dans lequel ladite pointe de percement (136) dudit stylet (124) peut être reçue dans ladite ouverture (156) de ladite poignée (152).
  15. Appareil selon la revendication 14, dans lequel ladite poignée (15) englobe en outre une section découpée (160) et un bouton (164) ;
    ladite section découpée (160) ayant une forme complémentaire de celle dudit élément de préhension (140) dudit stylet ; et
    ledit élément de préhension et ladite section découpée pouvant s'engager pour fixer le stylet dans ledit trocart.
  16. Appareil selon la revendication 15, dans lequel ladite aiguille (120) comporte en outre un verrou (168, 172) pour fixer ledit élément de préhension dans ladite section découpée.
  17. Appareil selon la revendication 16, dans lequel ledit verrou comprend une languette (168) sur ledit élément de préhension (140) et une rainure complémentaire (172) sur ladite poignée (152) ;
    dans lequel ladite languette (168) est engagée dans ladite rainure (172) pour placer ledit verrou dans une position verrouillée, et dégagée de ladite rainure pour placer ledit verrou dans une position déverrouillée.
  18. Appareil selon la revendication 12, dans lequel ladite deuxième pointe (56) dudit tube de connexion (32) est configurée de sorte à être reliée à ladite ouverture (156) dans ladite poignée (152) après le retrait dudit stylet (124) dudit trocart (128).
  19. Appareil selon la revendication 18, dans lequel ladite deuxième pointe (56) et ladite ouverture (156) sont reliées par l'intermédiaire d'un ensemble complémentaire (212) de filetages internes et externes.
  20. Appareil selon l'une quelconque des revendications 12 à 19, dans lequel ladite poignée (152) comporte en outre un vibrateur (224) pour appliquer une force de vibration, ladite force de vibration facilitant l'écoulement de ciment osseux à travers ladite autre partie (216) dudit passage et vers ledit conduit (144).
  21. Appareil selon la revendication 20, dans lequel ledit vibrateur (224) comprend :
    un micromoteur (226) ; et
    un bloc d'alimentation (228) pour alimenter ledit micromoteur.
  22. Appareil selon la revendication 21, dans lequel ledit bloc d'alimentation est constitué par une batterie (228).
EP06801798.7A 2005-08-22 2006-08-17 Dispositif d'augmentation osseuse Active EP1919406B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70982405P 2005-08-22 2005-08-22
PCT/US2006/032242 WO2007024641A2 (fr) 2005-08-22 2006-08-17 Dispositif d'augmentation osseuse

Publications (2)

Publication Number Publication Date
EP1919406A2 EP1919406A2 (fr) 2008-05-14
EP1919406B1 true EP1919406B1 (fr) 2014-04-09

Family

ID=37496425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06801798.7A Active EP1919406B1 (fr) 2005-08-22 2006-08-17 Dispositif d'augmentation osseuse

Country Status (7)

Country Link
US (1) US9289235B2 (fr)
EP (1) EP1919406B1 (fr)
JP (2) JP4914444B2 (fr)
CN (2) CN101267784B (fr)
AU (2) AU2006283649B9 (fr)
CA (2) CA2619739C (fr)
WO (1) WO2007024641A2 (fr)

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US9867646B2 (en) 2006-04-07 2018-01-16 Gamal Baroud Integrated cement delivery system for bone augmentation procedures and methods
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Also Published As

Publication number Publication date
CN102232882A (zh) 2011-11-09
CA2737845A1 (fr) 2007-03-01
JP2011229931A (ja) 2011-11-17
US20080195114A1 (en) 2008-08-14
CN102232882B (zh) 2013-06-19
WO2007024641A3 (fr) 2007-05-03
AU2006283649B2 (en) 2010-11-25
US9289235B2 (en) 2016-03-22
AU2010241187A1 (en) 2010-11-18
EP1919406A2 (fr) 2008-05-14
JP2009504363A (ja) 2009-02-05
CN101267784A (zh) 2008-09-17
CA2619739C (fr) 2011-06-28
CN101267784B (zh) 2011-06-15
CA2619739A1 (fr) 2007-03-01
AU2010241187B2 (en) 2012-11-22
JP4914444B2 (ja) 2012-04-11
AU2006283649A1 (en) 2007-03-01
AU2006283649B9 (en) 2010-12-16
WO2007024641A2 (fr) 2007-03-01

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